<!DOCTYPE html>



  


<html class="theme-next mist use-motion" lang="zh-CN">
<head><meta name="generator" content="Hexo 3.8.0">
  <meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<meta name="theme-color" content="#222">









<meta http-equiv="Cache-Control" content="no-transform">
<meta http-equiv="Cache-Control" content="no-siteapp">
















  
  
  <link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css">







<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css">

<link href="/css/main.css?v=5.1.4" rel="stylesheet" type="text/css">


  <link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-next.png?v=5.1.4">


  <link rel="icon" type="image/png" sizes="32x32" href="/images/favicon-32x32-next.png?v=5.1.4">


  <link rel="icon" type="image/png" sizes="16x16" href="/images/favicon-16x16-next.png?v=5.1.4">


  <link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">





  <meta name="keywords" content="Hexo, NexT">










<meta name="description" content="本文介绍C++11/14标准的新特性。">
<meta property="og:type" content="article">
<meta property="og:title" content="C++11&#x2F;14新特性">
<meta property="og:url" content="http://luqilinok.github.io/2019/07/11/cpluscplusnew/index.html">
<meta property="og:site_name" content="Lu QiLin&#39;s Blog">
<meta property="og:description" content="本文介绍C++11/14标准的新特性。">
<meta property="og:locale" content="zh-CN">
<meta property="og:updated_time" content="2019-07-11T00:37:11.400Z">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="C++11&#x2F;14新特性">
<meta name="twitter:description" content="本文介绍C++11/14标准的新特性。">



<script type="text/javascript" id="hexo.configurations">
  var NexT = window.NexT || {};
  var CONFIG = {
    root: '/',
    scheme: 'Mist',
    version: '5.1.4',
    sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
    fancybox: true,
    tabs: true,
    motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
    duoshuo: {
      userId: '0',
      author: 'Author'
    },
    algolia: {
      applicationID: '',
      apiKey: '',
      indexName: '',
      hits: {"per_page":10},
      labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
    }
  };
</script>



  <link rel="canonical" href="http://luqilinok.github.io/2019/07/11/cpluscplusnew/">





  <title>C++11/14新特性 | Lu QiLin's Blog</title>
  








</head>

<body itemscope itemtype="http://schema.org/WebPage" lang="zh-CN">

  
  
    
  

  <div class="container sidebar-position-left page-post-detail">
    <div class="headband"></div>

    <header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
      <div class="header-inner"><div class="site-brand-wrapper">
  <div class="site-meta ">
    

    <div class="custom-logo-site-title">
      <a href="/" class="brand" rel="start">
        <span class="logo-line-before"><i></i></span>
        <span class="site-title">Lu QiLin's Blog</span>
        <span class="logo-line-after"><i></i></span>
      </a>
    </div>
      
        <p class="site-subtitle"></p>
      
  </div>

  <div class="site-nav-toggle">
    <button>
      <span class="btn-bar"></span>
      <span class="btn-bar"></span>
      <span class="btn-bar"></span>
    </button>
  </div>
</div>

<nav class="site-nav">
  

  
    <ul id="menu" class="menu">
      
        
        <li class="menu-item menu-item-home">
          <a href="/" rel="section">
            
              <i class="menu-item-icon fa fa-fw fa-home"></i> <br>
            
            Home
          </a>
        </li>
      
        
        <li class="menu-item menu-item-technology">
          <a href="/categories/Technology/" rel="section">
            
              <i class="menu-item-icon fa fa-fw fa-archive"></i> <br>
            
            Technology
          </a>
        </li>
      
        
        <li class="menu-item menu-item-notes">
          <a href="/categories/Notes/" rel="section">
            
              <i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
            
            Notes
          </a>
        </li>
      
        
        <li class="menu-item menu-item-personal">
          <a href="/categories/Personal/" rel="section">
            
              <i class="menu-item-icon fa fa-fw fa-th"></i> <br>
            
            Personal
          </a>
        </li>
      
        
        <li class="menu-item menu-item-about">
          <a href="/about/" rel="section">
            
              <i class="menu-item-icon fa fa-fw fa-user"></i> <br>
            
            About
          </a>
        </li>
      

      
    </ul>
  

  
</nav>



 </div>
    </header>

    <main id="main" class="main">
      <div class="main-inner">
        <div class="content-wrap">
          <div id="content" class="content">
            

  <div id="posts" class="posts-expand">
    

  

  
  
  

  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
  
  
  
  <div class="post-block">
    <link itemprop="mainEntityOfPage" href="http://luqilinok.github.io/2019/07/11/cpluscplusnew/">

    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
      <meta itemprop="name" content="LuQiLin">
      <meta itemprop="description" content>
      <meta itemprop="image" content="/images/avatar.gif">
    </span>

    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
      <meta itemprop="name" content="Lu QiLin's Blog">
    </span>

    
      <header class="post-header">

        
        
          <h1 class="post-title" itemprop="name headline">C++11/14新特性</h1>
        

        <div class="post-meta">
          <span class="post-time">
            
              <span class="post-meta-item-icon">
                <i class="fa fa-calendar-o"></i>
              </span>
              
                <span class="post-meta-item-text">Posted on</span>
              
              <time title="Post created" itemprop="dateCreated datePublished" datetime="2019-07-11T08:19:35+08:00">
                2019-07-11
              </time>
            

            

            
          </span>
          
  <span class="post-updated">
    &nbsp; | &nbsp; 更新于
    <time itemprop="dateUpdated" datetime="2019-07-11T08:37:11+08:00" content="2019-07-11">
      2019-07-11
    </time>
  </span>

          
            <span class="post-category">
            
              <span class="post-meta-divider">|</span>
            
              <span class="post-meta-item-icon">
                <i class="fa fa-folder-o"></i>
              </span>
              
                <span class="post-meta-item-text">In</span>
              
              
                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
                  <a href="/categories/Notes/" itemprop="url" rel="index">
                    <span itemprop="name">Notes</span>
                  </a>
                </span>

                
                
              
            </span>
          

          
            
          

          
          

          

          

          

        </div>
      </header>
    

    
    
    
    <div class="post-body" itemprop="articleBody">

      
      

      
        <p>本文介绍C++11/14标准的新特性。</p>
<a id="more"></a>
<hr>
<h1 id="统一初始化"><a href="#统一初始化" class="headerlink" title="统一初始化"></a>统一初始化</h1><p>C++11中支持对数组、STL容器等进行统一初始化，在{}中包含所需要初始化的值。</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">int</span> *pi=<span class="keyword">new</span> <span class="keyword">int</span>[<span class="number">5</span>]&#123;<span class="number">1</span>,<span class="number">2</span>,<span class="number">3</span>,<span class="number">4</span>,<span class="number">5</span>&#125;;</span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">A</span></span></span><br><span class="line"><span class="class">&#123;</span></span><br><span class="line">    <span class="keyword">int</span> arr[<span class="number">3</span>];</span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    A(<span class="keyword">int</span> x,<span class="keyword">int</span> y,<span class="keyword">int</span> z):arr&#123;x,y,z&#125;&#123;&#125;;</span><br><span class="line">&#125;</span><br><span class="line"><span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt; vi&#123;<span class="number">1</span>,<span class="number">2</span>&#125;;</span><br><span class="line">f(&#123;foo,bar&#125;);</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="initializer-list"><a href="#initializer-list" class="headerlink" title="initializer_list"></a>initializer_list</h1><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">include</span><span class="meta-string">&lt;iostream&gt;</span></span></span><br><span class="line"><span class="keyword">using</span> <span class="keyword">namespace</span> <span class="built_in">std</span>;</span><br><span class="line"></span><br><span class="line"><span class="built_in">initializer_list</span>&lt;<span class="keyword">int</span>&gt; test(cosnt <span class="built_in">initializer_list</span>&lt;<span class="keyword">int</span>&gt; &amp;v)</span><br><span class="line">&#123;</span><br><span class="line">    <span class="keyword">for</span>(<span class="keyword">auto</span> item:v)</span><br><span class="line">    &#123;</span><br><span class="line">        <span class="built_in">cout</span>&lt;&lt;item&lt;&lt;<span class="built_in">endl</span>;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">return</span> &#123;<span class="number">1</span>,<span class="number">2</span>,<span class="number">4</span>&#125;;</span><br><span class="line">&#125;</span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">main</span><span class="params">()</span></span></span><br><span class="line"><span class="function"></span>&#123;</span><br><span class="line">    test(&#123;<span class="number">1</span>,<span class="number">2</span>,<span class="number">3</span>&#125;);</span><br><span class="line">    <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="auto"><a href="#auto" class="headerlink" title="auto"></a>auto</h1><p>在C++03中，我们声明变量时必须指定类型，在C++11中，可以使用关键字auto，auto是自动类型推导，在编译时进行类型推导，不会对程序的效率造成影响。</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">auto</span> a = <span class="number">2</span>;</span><br><span class="line"><span class="keyword">auto</span> b = <span class="number">2</span>;</span><br><span class="line"></span><br><span class="line"><span class="keyword">for</span> (<span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt;::const_iterator it = v.begin(); it != v.end(); ++it)</span><br><span class="line">    <span class="keyword">for</span> (<span class="keyword">auto</span> it = v.begin(); it != v.end(); ++it)</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="decltype"><a href="#decltype" class="headerlink" title="decltype"></a>decltype</h1><p>decltype允许我们从一个变量或表达式中得到类型，例如</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">int</span> x = <span class="number">3</span>;</span><br><span class="line"><span class="keyword">decltype</span>(x) y = x;</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="nullptr"><a href="#nullptr" class="headerlink" title="nullptr"></a>nullptr</h1><p>nullptr是为了解决原来C++中NULL的二义性问题而引进的一种新的类型，因为NULL实际上代表的是0</p>
<hr>
<h1 id="范围for语句"><a href="#范围for语句" class="headerlink" title="范围for语句"></a>范围for语句</h1><p>在C++中for循环可以使用类型Java的简化的for循环，用于遍历数组、容器、string以及迭代器。</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">map</span>&lt;<span class="built_in">string</span>, <span class="keyword">int</span>&gt; m&#123;&#123;<span class="string">"a"</span>, <span class="number">1</span>&#125;, &#123;<span class="string">"b"</span>, <span class="number">2</span>&#125;, &#123;<span class="string">"c"</span>, <span class="number">3</span>&#125;&#125;;</span><br><span class="line"><span class="keyword">for</span> (<span class="keyword">auto</span> item : m)</span><br><span class="line">&#123;</span><br><span class="line">    <span class="built_in">cout</span> &lt;&lt; item.first &lt;&lt; <span class="string">" "</span> &lt;&lt; item.second &lt;&lt; <span class="built_in">endl</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="Lambda表达式"><a href="#Lambda表达式" class="headerlink" title="Lambda表达式"></a>Lambda表达式</h1><p>lambda表达式可以创建并定义匿名的参数对象，以简化编程工作，其语法如下：</p>
<p>[函数对象参数] (操作符重载函数参数) -&gt; 返回值类型{函数体}</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">include</span> <span class="meta-string">&lt;iostream&gt;</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">include</span> <span class="meta-string">&lt;vector&gt;</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">include</span> <span class="meta-string">&lt;algorithm&gt;</span></span></span><br><span class="line"><span class="keyword">using</span> <span class="keyword">namespace</span> <span class="built_in">std</span>;</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">main</span><span class="params">()</span></span></span><br><span class="line"><span class="function"></span>&#123;</span><br><span class="line">    <span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt; vi&#123;<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>&#125;;</span><br><span class="line">    <span class="keyword">int</span> a = <span class="number">2</span>, b = <span class="number">1</span>;</span><br><span class="line">    for_each(vi.begin(), vi.end(), [a](<span class="keyword">int</span> &amp;x) &#123; <span class="built_in">cout</span> &lt;&lt; x + a &lt;&lt; <span class="built_in">endl</span>; &#125;);</span><br><span class="line">    for_each(vi.begin(), vi.end(), [=](<span class="keyword">int</span> &amp;x) &#123;<span class="keyword">static</span> <span class="keyword">int</span> y=<span class="number">1</span>; x*=a*b+y; &#125;);</span><br><span class="line">    for_each(vi.begin(), vi.end(), [=](<span class="keyword">int</span> &amp;x) -&gt; <span class="keyword">int</span> &#123; <span class="keyword">return</span> x * a * b; &#125;);</span><br><span class="line"></span><br><span class="line">    <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="变长参数模板"><a href="#变长参数模板" class="headerlink" title="变长参数模板"></a>变长参数模板</h1><p>C++11中支持tuple元祖，可以传入多个不同类型的数据。</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">tuple&lt;<span class="keyword">int</span>, <span class="keyword">int</span>, <span class="keyword">int</span>&gt; bar = make_tuple(<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>);</span><br><span class="line"><span class="built_in">cout</span> &lt;&lt; get&lt;<span class="number">2</span>&gt;(bar) &lt;&lt; <span class="built_in">endl</span>;</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="final"><a href="#final" class="headerlink" title="final"></a>final</h1><p>final关键字不允许该类派生其他子类</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">A</span> <span class="title">final</span> // 不可被继承</span></span><br><span class="line"><span class="class">&#123;</span> </span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    A() &#123;&#125;</span><br><span class="line">    <span class="function"><span class="keyword">void</span> <span class="title">testA</span><span class="params">()</span> <span class="keyword">const</span></span></span><br><span class="line"><span class="function">    </span>&#123;</span><br><span class="line">        <span class="built_in">cout</span> &lt;&lt; <span class="string">"testA"</span> &lt;&lt; <span class="built_in">endl</span>;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
<hr>
<h1 id="override"><a href="#override" class="headerlink" title="override"></a>override</h1><p>override 关键字不允许子类函数覆盖父类函数</p>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Base</span></span></span><br><span class="line"><span class="class">&#123;</span></span><br><span class="line">    <span class="function"><span class="keyword">virtual</span> <span class="keyword">void</span> <span class="title">f</span><span class="params">(<span class="keyword">int</span>)</span></span>;</span><br><span class="line">&#125;;</span><br><span class="line"></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Derived</span> :</span> <span class="keyword">public</span> Base</span><br><span class="line">&#123;</span><br><span class="line">    <span class="function"><span class="keyword">virtual</span> <span class="keyword">void</span> <span class="title">f</span><span class="params">(<span class="keyword">float</span>)</span> override</span>; <span class="comment">// Error</span></span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>

      
    </div>
    
    
    

    

    

    

    <footer class="post-footer">
      

      
      
      

      
        <div class="post-nav">
          <div class="post-nav-next post-nav-item">
            
              <a href="/2019/07/11/cpluscplusexception/" rel="next" title="C++之异常处理">
                <i class="fa fa-chevron-left"></i> C++之异常处理
              </a>
            
          </div>

          <span class="post-nav-divider"></span>

          <div class="post-nav-prev post-nav-item">
            
              <a href="/2019/07/11/cplusplusstl/" rel="prev" title="C++之STL用法">
                C++之STL用法 <i class="fa fa-chevron-right"></i>
              </a>
            
          </div>
        </div>
      

      
      
    </footer>
  </div>
  
  
  
  </article>



    <div class="post-spread">
      
    </div>
  </div>


          </div>
          


          

  



        </div>
        
          
  
  <div class="sidebar-toggle">
    <div class="sidebar-toggle-line-wrap">
      <span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
      <span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
      <span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
    </div>
  </div>

  <aside id="sidebar" class="sidebar">
    
    <div class="sidebar-inner">

      

      
        <ul class="sidebar-nav motion-element">
          <li class="sidebar-nav-toc sidebar-nav-active" data-target="post-toc-wrap">
            Table of Contents
          </li>
          <li class="sidebar-nav-overview" data-target="site-overview-wrap">
            Overview
          </li>
        </ul>
      

      <section class="site-overview-wrap sidebar-panel">
        <div class="site-overview">
          <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
            
              <p class="site-author-name" itemprop="name">LuQiLin</p>
              <p class="site-description motion-element" itemprop="description"></p>
          </div>

          <nav class="site-state motion-element">

            
              <div class="site-state-item site-state-posts">
              
                <a href="/archives">
              
                  <span class="site-state-item-count">80</span>
                  <span class="site-state-item-name">posts</span>
                </a>
              </div>
            

            
              
              
              <div class="site-state-item site-state-categories">
                
                  <span class="site-state-item-count">1</span>
                  <span class="site-state-item-name">categories</span>
                
              </div>
            

            

          </nav>

          

          

          
          

          
          

          

        </div>
      </section>

      
      <!--noindex-->
        <section class="post-toc-wrap motion-element sidebar-panel sidebar-panel-active">
          <div class="post-toc">

            
              
            

            
              <div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-1"><a class="nav-link" href="#统一初始化"><span class="nav-number">1.</span> <span class="nav-text">统一初始化</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#initializer-list"><span class="nav-number">2.</span> <span class="nav-text">initializer_list</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#auto"><span class="nav-number">3.</span> <span class="nav-text">auto</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#decltype"><span class="nav-number">4.</span> <span class="nav-text">decltype</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#nullptr"><span class="nav-number">5.</span> <span class="nav-text">nullptr</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#范围for语句"><span class="nav-number">6.</span> <span class="nav-text">范围for语句</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#Lambda表达式"><span class="nav-number">7.</span> <span class="nav-text">Lambda表达式</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#变长参数模板"><span class="nav-number">8.</span> <span class="nav-text">变长参数模板</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#final"><span class="nav-number">9.</span> <span class="nav-text">final</span></a></li><li class="nav-item nav-level-1"><a class="nav-link" href="#override"><span class="nav-number">10.</span> <span class="nav-text">override</span></a></li></ol></div>
            

          </div>
        </section>
      <!--/noindex-->
      

      

    </div>
  </aside>


        
      </div>
    </main>

    <footer id="footer" class="footer">
      <div class="footer-inner">
        <div class="copyright">&copy; <span itemprop="copyrightYear">2019</span>
  <span class="with-love">
    <i class="fa fa-user"></i>
  </span>
  <span class="author" itemprop="copyrightHolder">LuQiLin</span>

  
</div>


  <div class="powered-by">Powered by <a class="theme-link" target="_blank" href="https://hexo.io">Hexo</a></div>



  <span class="post-meta-divider">|</span>



  <div class="theme-info">Theme &mdash; <a class="theme-link" target="_blank" href="https://github.com/iissnan/hexo-theme-next">NexT.Mist</a> v5.1.4</div>




        







        
      </div>
    </footer>

    
      <div class="back-to-top">
        <i class="fa fa-arrow-up"></i>
        
      </div>
    

    

  </div>

  

<script type="text/javascript">
  if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {
    window.Promise = null;
  }
</script>









  












  
  
    <script type="text/javascript" src="/lib/jquery/index.js?v=2.1.3"></script>
  

  
  
    <script type="text/javascript" src="/lib/fastclick/lib/fastclick.min.js?v=1.0.6"></script>
  

  
  
    <script type="text/javascript" src="/lib/jquery_lazyload/jquery.lazyload.js?v=1.9.7"></script>
  

  
  
    <script type="text/javascript" src="/lib/velocity/velocity.min.js?v=1.2.1"></script>
  

  
  
    <script type="text/javascript" src="/lib/velocity/velocity.ui.min.js?v=1.2.1"></script>
  

  
  
    <script type="text/javascript" src="/lib/fancybox/source/jquery.fancybox.pack.js?v=2.1.5"></script>
  


  


  <script type="text/javascript" src="/js/src/utils.js?v=5.1.4"></script>

  <script type="text/javascript" src="/js/src/motion.js?v=5.1.4"></script>



  
  

  
  <script type="text/javascript" src="/js/src/scrollspy.js?v=5.1.4"></script>
<script type="text/javascript" src="/js/src/post-details.js?v=5.1.4"></script>



  


  <script type="text/javascript" src="/js/src/bootstrap.js?v=5.1.4"></script>



  


  




	





  





  












  





  

  

  

  
  

  

  

  

</body>
</html>
